Mac: You avoid design and surveying errors by using the Time & Shadow Method for marking points, that's for sure. The biggest differences in point location were those points that were located in potholes in the asphalt or where the elevation changed.
John John L. Carmichael Jr. Sundial Sculptures 925 E. Foothills Dr. Tucson Arizona 85718 USA Tel: 520-696-1709 Email: [EMAIL PROTECTED] Website: <http://www.sundialsculptures.com> ----- Original Message ----- From: "Mac Oglesby" <[EMAIL PROTECTED]> To: "John Carmichael" <[EMAIL PROTECTED]> Cc: "Sundial list" <sundial@rrz.uni-koeln.de> Sent: Thursday, June 27, 2002 6:03 PM Subject: Kitt Peak dial > > John, > > I've seen your juxtaposition of the computed and observed hour points > at the Kitt Peak demonstration sundial. Congratulations on achieving > such excellent results. After weeks of preparation followed by days > spent on site, it must be extremely gratifying to you and the others > involved to see that the dial turned out better than anyone dared > hope. Most of us design and build a sundial, then spot check its > accuracy, hoping for the best. You've enjoyed the unusual opportunity > of doing all of the checking essentially during a single day. > > Few of us would have had the resolve to see a project such as this > through. You and your coworkers must be very proud of its outcome. > > Best wishes, > > Mac Oglesby > - > -
